O CNRS CNRS is a public research organization (a public scientific and technological institution, under the supervision of the Ministry of Higher Education, Research and Innovation). The Centre produces knowledge, and puts that knowledge at the service of society. It has around 32,000 members (of which 24,552 are permanent staff – 11,137 researchers and 13,415 engineers, technicians, and administrative staff) and operates in all fields of knowledge, with more than 1,100 research and service units all over France. The CNRS’s participates in the project through its URMIS (Unité de Recherche Migrations et Societé) research laboratory (http://urmis.unice.fr/?lang=fr), a joint research unit supervised by the universities Paris Diderot and Nice Sophia Antipolis, the Institute for Research for Development (IRD, UMR 205) and the National Centre for Scientific Research (CNRS, UMR 8245).(CNRS, UMR 8245).